基于GIS技术及模糊物元分析法的南京市仙林新市区生态安全评价

Journal of Ecology and Rural Environment ›› 2011, Vol. 27 ›› Issue (5): 32-36.doi:

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Eco-Securith Assessment of Xianlin New Urban District of Nanjing,China,Using GIS Technology and Fuzzy Matter Element Analysis

HAO Jing-Feng, LIU Hong-Yu, HU He-Bing, AN Jing

College of Geography,Nanjing Normal University

Received:2011-02-24 Online:2011-09-25 Published:2011-10-12
Contact: LIU Hong-Yu College of Geography,Nanjing Normal University E-mail:liuhongyu@njnu.edu.cn
Supported by:
国家自然科学基金（40871084）；青蓝工程项目（184080-H10240）；江苏省2010年度研究生科研创新计划（CX10B_388Z）；南京师范大学优秀博士研究生学位论文培育项目（2010bs0038）；江苏省高校优势学科建设工程资助项目

Abstract

Abstract: An eco-security assessment index system was established,using a pressure-state-response(P-S-R)model and the analytic hierarchy process,while eco-security levels of Xianlin District before (2003) and after (2007) its construction were assessed using the GIS technology and the fuzzy matter element analysis method in a comprehensive way.The ecological security in the Xianlin New Urban District in Nanjing was evaluated.It was found that the ecological security level of Xianlin developed in two directions.The areas of both the eco-safe zone and the eco-unsafe zone increased with their proportion did from 9.6% to 22.3%,and from 12.9% to 15.0%,respectively,in the period of 2003-2007.The Qilin Subdistrict was almost at the threshold of eco-security and some others were developing from the threshold status to relatively safe one.The Qinglong Subdistrict remained almost unchanged.

Key words: GIS, ecological security, fuzzy matter-element analysis, pressure-state-response model(P-S-R)

CLC Number:

X826

HAO Jing-Feng, LIU Hong-Yu, HU He-Bing, AN Jing. Eco-Securith Assessment of Xianlin New Urban District of Nanjing,China,Using GIS Technology and Fuzzy Matter Element Analysis[J]. Journal of Ecology and Rural Environment, 2011, 27(5): 32-36.

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Eco-Securith Assessment of Xianlin New Urban District of Nanjing,China,Using GIS Technology and Fuzzy Matter Element Analysis

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